Roller skate that is easy to attach and detach

ABSTRACT

roller skate that is easy to attach and detach in accordance to this invention can be used by adjusting its size according to the size of user&#39;s shoes. Moreover, it can be carried around easily due to its small size. Control is facilitated since wheel exists only at the back axis. Men and women, and old and young can use it easily, and there shall be various effects such as its ability to prevent safety related accident.

BACKGROUND OF THE INVENTION

[0001] 1. Field of the Invention

[0002] This invention relates to the roller skate that is easy to attachand detach. In more detail, this invention shall pertain to the rollerskate that can be attached and detached from the shoes regardless offeet size by enabling width to be adjusted in discretion if and whennecessary, and this invention shall be comprised of two wheels.

[0003] 2. Description of the Prior Art

[0004] Regular roller skate shall be comprised of structure that iscomprised of four rollers that rotate while slipping to the floor andwhich is fixed and attached onto the bottom of the roller skate in twoparts in a stable manner or structure that is fixed and attached withnumerous rollers in a row in order to enhance speed or sense of balance.

[0005] Likewise, hitherto roller skate enables user to enjoy riding itwhen the user rides fast by rolling the feet powerfully while balancingthe body after tying the roller skate tight while worn.

[0006] Hitherto regular roller skate requires roller skate that fitsfeet size since user cannot enjoy riding it when the feet size does notfit the roller skate since numerous rollers are fixed and attached ontothe roller skate that is produced in different sizes.

[0007] It is not possible to wear roller skate if and when the feet sizedoes not fit the size of the feet. Moreover, if and when the rollerskate with large size is worn, there is risk of getting blisters or painon the feet and safety related accidents. Thus, in the case of childrenwho grow fast every day, they cannot use the roller skate that theypurchased for a prolonged period of time since it does not fit the feetsize.

[0008] In addition, hitherto roller skate is difficult to carry due toits large bulk since it is structured by the fixation and attachment ofnumerous rollers and roller skate. Meanwhile, roller is worn or torn,financial problems such as the need to find repair shop or to purchasenew roller skate incur.

[0009] Moreover, user needs to change into user's shoes when the userfinishes using roller skate. Roller skate that is taken off shall bestored or carried. In the above mentioned case, shoes are not easy tostore or carry due to the bulk of the shoes that is formed as singleunit.

SUMMARY OF THE INVENTION

[0010] This invention relates to the roller skate that is easy to attachand detach that can attach and detach from the shoes regardless of feetsize by enabling width to be adjusted in discretion if and whennecessary, and this invention shall be comprised of two wheels.

[0011] This invention shall comprise projection sill towards thedirection of width when it pertains to the foothold of the other sidewhere the side wall is formed. Center shall be comprised of conjoiningpart that is formed with numerous conjoining holes. Foothold of othersurface shall form

-shaped groove towards the direction of width so that the abovementioned projection sill can be fit in. Conjoining hole shall be formedat the center, and conjoining part shall be comprised so that the abovementioned conjoining part can be fit into the lower part. Wheelprotection support shall be formed on the above mentioned side wall insingle unit. Wheel shall be formed between the side wall and wheelprotection support so that it can rotate. At the upper part of the sidewall, band and clip shall be comprised so that it shall be detached andattached at the rear part of the shoes. However, conjoining sill and

-shaped groove, and conjoining part and conjoining part of the abovementioned foothold shall be mutually fit in to conjoin bolt and nut ontothe conjoining hole of conjoining part to conjoin two footholds.

BRIEF DESCRIPTION OF THE DRAWINGS

[0012]FIG. 1 shall be perspective drawing of the present invention.

[0013]FIG. 2 shall be perspective drawing on the decomposed view of thepresent invention.

[0014]FIG. 3 shall be perspective drawing on the decomposed view of thepresent invention's foothold structure.

[0015]FIG. 4 shall be sectional view of the present invention.

[0016]FIG. 5 shall be plane figure of the present invention.

[0017]FIG. 6 shall be figure that shows usage state of this invention

[0018]FIG. 7 shall be perspective drawing on the decomposed view of thepresent invention's other actual example.

[0019]FIG. 8 shall be sectional view that shows FIG. 7's conjoinedstate.

[0020]FIG. 9 shall be perspective drawing on the decomposed view on thepresent invention's other actual example.

EXPLANATION ON THE SYMBOL PERTAINING TO KEY PARTS OF FIGURE

[0021] <Explanation on the Symbol Pertaining to Key Parts of FIGURE>  1,1′: side wall  2, 2′: foothold  3, 3′: projection sill  4, 4′:conjoining hole  5: conjoining part  6, 6′:

-shaped groove  7, 7′: conjoining hole  8: conjoining part  9, 9′: wheelprotection support 10, 10′: wheel 11, 11′: band 12, 12′: clip 13: bolt14: nut 15: fixation band 16: scrap for the prevention of movement 17:scrap for reinforcement

DETAILED DESCRIPTION

[0022] This invention was invented to solve the above mentionedproblems. Two wheels shall be formed, and this invention shall enablediscretionary adjustment of the width. This invention shall be comprisedso that the attachment and detachment are enabled by leveraging the clipsituated at the rear side of the shoes. Moreover, carrying and wearingof this invention shall be made easy. Discretionary adjustment of sizeis enabled. Purpose of this invention shall be provide roller skate thatcan be attached and detached and which enables user to learn to start,navigate and stop easily. In addition, size can be adjusted indiscretion.

Composition of the Invention

[0023] The following is the explanation on the ideal actual example ofthis invention, using attached figures.

[0024] As depicted on FIG. 1 or FIG. 6, this invention shall comprisedof; foothold (2) at the one side of the foothold (2,2′) where side wall(1,1′) is formed shall form projection sill (3,3′) that is in thedirection of the width, conjoining part (5) that is formed with numerousconjoining hole (4,4′) shall be at the center, foothold of other surface(2′) shall form

-shaped groove (6,6′) towards the direction of width so that the abovementioned projection sill (3,3′) can be fit in, conjoining hole (7,7′)shall form at the center, conjoining part (8) shall be comprised so thatthe above mentioned conjoining part (5) can be fit into the lower part,wheel protection support (9,9′) shall be formed in single unit at theabove mentioned side wall (1,1′) so that the wheel (10) between sidewall (1,1′) and wheel protection support (9,9′) can rotate, band(11,11′) and clip (12) shall be comprised at the upper part of side wall(1,1′) so that attachment and detachment at the back axis off the shoesare enabled, and conjoining sill (3,3′) of the above mentioned footholdand

-shaped groove (6,6′), and conjoining part (5) and conjoining part (8)shall be mutually fit in to conjoin bolt (13) and nut (14) intoconjoining hole (4,4′) (7,7′) of conjoining part (5) (8) so that twofootholds (2,2′) can be conjoined.

[0025]FIG. 1 shall be perspective drawing of the present invention. FIG.2 shall be perspective drawing on the decomposed view of the presentinvention. FIG. 3 shall be perspective drawing on the decomposed view ofthe present invention's foothold structure. FIG. 4 shall be sectionalview of the present invention. FIG. 5 shall be plane figure of thepresent invention. FIG. 6 shall be figure that shows usage state of thepresent invention.

[0026] As depicted on FIG. 1 or FIG. 6, this invention shall becomprised of two foothold (2,2′) where side wall (1,1′) is formed, andfoothold (1) of one side shall comprise projection sill (3,3′) towardsthe direction of width. At the center, lo conjoining part (5) formedwith numerous conjoining hole (4,4′) shall comprise the center.

[0027] In addition, foothold of other surface (2′) shall form

-shaped groove (6,6′) towards the direction of width so that the abovementioned projection sill (3,3′) can be fit in, conjoining hole (7,7′)shall form at the center, conjoining part (8) shall be comprised so thatthe above mentioned conjoining part (5) can be fit into the lower part.

[0028] Wheel protection support (9,9′) shall be formed in single unit atthe above mentioned side wall (1,1′) so that the wheel (10) between sidewall (1,1′) and wheel protection support (9,9′) can rotate. Band(11,11′) and clip (12) shall be comprised at the upper part of side wall(1,1′) so that attachment and detachment at the back axis off the shoesare enabled.

[0029] Conjoining sill (3,3′) of the above mentioned foothold and

-shaped groove (6,6′), and conjoining part (5) and conjoining part (8)shall be mutually fit in to conjoin bolt (13) and nut (14) intoconjoining hole (4,4′) (7,7′) of conjoining part (5) (8) so that twofootholds (2,2′) can be conjoined.

[0030] The present invention, configured as mentioned above, requiresthat the width of roller skate be fit to the width of the shoes if andwhen user wants to wear the roller skate. Accordingly, bolt (13) and nut(14) that are conjoined onto the conjoining part (5) (8) of foothold(2,2′)'s conjoining hole (4,4′) (7,7′) shall be unscrewed to adjustwidth of roller skate's foothold (2,2′) to fit the shoes. Then, bolt(13) and nut (14) shall be conjoined onto the conjoining hole (4,4′)(7,7′) of conjoining part (5) (8) to conjoin and fixate two foothold(2,2′).

[0031] Here, projection sill (3,3′) of foothold (2,2′) and

-shaped groove (6,6′) shall be fit together in an interlocked manner sothat sliding shall be formed. Accordingly, they do not separate, andthis invention facilitates adjustment of foothold (2,2′)'s width withouthaving the above mentioned separate. Moreover, distance of theconjoining part (5)'s conjoining hole (4,4′) pertaining to the foothold(2) of one side shall be formed more precisely than the distance of theconjoining hole (7,7′) of foothold of other surface (2′)'s conjoiningpart (8), and conjoining hole (7,7′) of conjoining part (8) shall beformed into three so that bolt (13) and nut (14) can be conjoined onlyonto a single conjoining hole (4,4′) (7,7′). Accordingly, roller skatepertaining to this invention can be used despite differences in theshoes size since the width of foothold (2,2′) can be adjusted intodiverse width.

[0032] If and when the width of roller skate shall be adjusted asmentioned above to fit the shoes of the user, clip (12) of band (11)shall be unscrewed, and back axis of the roller skate shall be placedonto the foothold (2,2′). Band (11′) shall be placed towards thedirection of the heel, and band (11) shall be placed on top of feet totighten with clip (12). Accordingly, wearing of roller skate iscompleted.

[0033] Meanwhile, FIG. 7 and FIG. 8 depict the other actual examplepertaining to the present invention, and shall be comprised of foothold(2′) of one side and foothold (2′) of other side, which are eachcomprised of side wall (1,1′). Accordingly, they are interlocked andformed to enable the heel of shoes to settle. Projection for widthadjustment (2′a) shall be formed at the foothold (2′) of other side sothat slide conjoining is enabled to the groove formed long to enablewidth adjustment (2 a) that is formed into the direction of width at thelower part of the above mentioned foothold (2′) of one side. Bolt (13)and nut (14) shall be conjoined to the conjoining hole (2′b) that isformed at the center part of the foothold (2′) of other side and longhole for conjoining (2 b) formed into the direction of width at thecenter part of the above mentioned foothold (2′) of one side. Wheel (10)(10′) shall be installed at the both side wall (1) (1′) of the abovementioned foothold (2′) of one side and foothold (2′) of other side sothat wheel (10) (10′) shall rotate, and shall be installed at the upperpart of the both side wall (1) (1′) of the above mentioned foothold (2′)of one side and foothold (2′) of other side and shall be comprised offixation band (15) that fixates shoes by being installed at the upperpart of both side wall (1) (1′).

[0034] Side wall (1) formed perpendicular shall be formed at the abovementioned foothold (2′) of one side in single unit. Wheel (10) shall beinstalled on the above mentioned side wall (1) to enable the wheel torotate while operating. Wheel protection support (9) shall be formed onside wall (1) in single unit to protect the above mentioned wheel (10),and fixation hole (2 c) where fixation band (15) is conjoined shall beformed at the upper part of the above mentioned side wall (1).

[0035] In addition, long hole for conjoining (2 b) shall be perforatedinto the direction of width on center part of the above mentionedfoothold (2′) of one side. At the lower part of both sides of the abovementioned long hole for conjoining (2 b) shall be formed with grooveformed long to enable width adjustment (2 a) into the direction ofwidth.

[0036] Side wall (1′) formed perpendicular shall be formed at the abovementioned foothold (2′) of other side in single unit. Wheel (10) shallbe installed on the above mentioned side wall (1′) to enable the wheelto rotate while operating. Wheel protection support (9′) shall be formedon side wall (1′) in single unit to protect the above mentioned wheel(10′), and fixation hole (2′c) where fixation band (15) is conjoinedshall be formed at the upper part of the above mentioned side wall (1′).

[0037] In addition, numerous conjoining hole (2′b)shall be perforatedinto the direction of width on center part of the above mentionedfoothold (2′) of other side. At the lower part of both sides of theabove mentioned conjoining hole (2′b) shall be formed with projectionfor width adjustment (2′a) into the direction of width.

[0038] Fixing hook (15 a) shall be installed at the end part of bothsides when it pertains to the above mentioned fixation band (15), andthe worn shoes shall be fixated by being conjoined into the fixationhole (2 c) (2′c) of both sides that is formed at the foothold (2′) ofone side and foothold (2′) of other side.

[0039] If and when the above mentioned bolt (13) and nut (14) is widthadjusted according to the shoes size of the user based on theinterlocking of the foothold (2′) of one side and foothold (2′) of otherside, foothold (2′) of one side's long hole for conjoining (2 b) andfoothold (2′) of other side's conjoining hole (2′ b) shall be conjoinedwith screw to fixate foothold (2) (2′) of both sides.

[0040] Moreover, shoes that are worn no longer separate towards the rearsince scrap for the prevention of separation (2 d) (2′d) is additionallyformed at the rear of the above mentioned foothold (2′) of one side andfoothold (2′) of other side's both side wall (1) (1′).

[0041] Meanwhile, FIG. 8 shall depict yet another actual examplepertaining to the present invention. Scrap for the prevention ofmovement (16) shall be formed on the outer surface of the abovementioned nut (14) as single unit, which can facilitate conjoining withscrew when conjoining with bolt (13) since movement into the left andright does not take place.

[0042] Unexplained Symbol 17 shall be scrap for reinforcement that shallbe installed between bolt (13) and foothold (2′) of one side.

[0043] This invention composed as mentioned above adjusts width by slideconjoining projection for width adjustment (2′a) formed on foothold (2′)of other side into groove formed long to enable width adjustment (2 a)formed on foothold (2′) of one side at a state when heel of shoes issettled into foothold (2′) of one side to enable width adjustmentaccording to the user's shoes. Conjoining shall be executed by screwconjoining bolt (13) and nut (14) onto conjoining hole (2′b) and longhole for conjoining (2 b) that are each formed at the foothold (2) (2′)of both sides to fixate foothold (2′) of one side and foothold (2′) ofother side according to the adjusted width.

[0044] Next, heel of shoes shall be tightened with scrap for theprevention of separation (2 d) (2′d) that is formed onto the both sidewall (1) (1′) so that the shoes will not separate towards the rear. Tofixated these shoes that are worn, fixation band (15) shall be conjoinedinto the fixation hole (2 c) (2′c) that is formed at the upper part ofboth side wall (1) (1′).

[0045] When user finishes wearing roller skate as mentioned above, usercan enjoy riding the above mentioned roller skate as if enjoying regularroller skate. Roller skate of this invention shall have wheel (10,10′)only on the back axis. The roller skate of this invention shall becomprised in a way that the control of the roller skate is enabled fromthe front part, which facilitates control of roller skate. Moreover,this invention can mitigate accident that could result while ridingroller skate.

[0046] When the roller skate is disassembled when the use of roller ofstopped, clip (12) of band (11) shall be unscrewed. Separation of rollerskate from shoes is easy and it is easy to carry around due to its smallsize.

What is claimed is:
 1. Roller skate that is easy to attach and detachcharacterized by the following composition; foothold (2) at the one sideof the foothold (2,2′) where side wall (1,1′) is formed shall formprojection sill (3,3′) that is in the direction of the width, conjoiningpart (5) that is formed with numerous conjoining hole (4,4′) shall be atthe center, foothold of other surface (2′) shall form

-shaped groove (6,6′) towards the direction of width so that the abovementioned projection sill (3,3′) can be fit in, conjoining hole (7,7′)shall form at the center, conjoining part (8) shall be comprised so thatthe above mentioned conjoining part (5) can be fit into the lower part,wheel protection support (9,9′) shall be formed in single unit at theabove mentioned side wall (1,1′) so that the wheel (10) between sidewall (1,1′) and wheel protection support (9,9′) can rotate, band(11,11′) and clip (12) shall be comprised at the upper part of side wall(1,1′) so that attachment and detachment at the back axis off the shoesare enabled, and conjoining sill (3,3′) of the above mentioned footholdand

-shaped groove (6,6′), and conjoining part (5) and conjoining part (8)shall be mutually fit in to conjoin bolt (13) and nut (14) intoconjoining hole (4,4′) (7,7′) of conjoining part (5) (8) so that twofootholds (2,2′) can be conjoined.
 2. Roller skate that is easy toattach and detach that shall be characterized by the installation offixation band (15) so that the shoes can be fixated at the upper part ofthe both side wall (1) (1′) pertaining to the above mentioned foothold(2′) of one side and foothold (2′) of other side. Moreover, wheel (10)(10′) shall be installed at the both side wall (1) (1′) of the abovementioned foothold (2′) of one side and foothold (2′) of other side sothat wheel (10) (10′) shall rotate, and shall be installed at the upperpart of the both side wall (1) (1′) of the above mentioned foothold (2′)of one side and foothold (2′) of other side and shall be comprised offixation band (15) that fixates shoes by being installed at the upperpart of both side wall (1) (1′). Bolt (13) and nut (14) shall beconjoined to the conjoining hole (2′b) that is formed at the center partof the foothold (2′) of other side and long hole for conjoining (2 b)formed into the direction of width at the center part of the abovementioned foothold (2′) of one side. This invention adjusts width byslide conjoining projection for width adjustment (2′a) formed onfoothold (2′) of other side into groove formed long to enable widthadjustment (2 a) formed on foothold (2′) of one side at a state whenheel of shoes is settled into foothold (2′) of one side to enable widthadjustment according to the user's shoes.
 3. When it pertains to claim2, roller skate that is easy to attach and detach characterized by thecomposition of additional scrap for the prevention of separation (2 d)(2′d) at the rear of both side wall (1) (1′) of the foothold (2′) of theother side and the above mentioned foothold (2) of one side so that theshoes will not separate towards the rear.
 4. When it pertains to claim2, Roller skate that is easy to attach and detach that is characterizedby the formation of scrap for the prevention of movement (16) as singleunit onto the outer surface of the above mentioned nut (14).
 5. When itpertains to claim 2, Roller skate that is easy to attach and detach thatis characterized by the formation of wheel protection support (9) (9′)into single unit to protect the wheel (10) (10′) that is installed torotate when it pertains to the above mentioned side wall (1) (1′).